Text and Data Mining valid from 2019-12-01
Received: 25 July 2019
Accepted: 8 November 2019
First Online: 12 December 2019
Ethics approval and consent to participate
: Ethical approval was obtained from the Medical Research and Ethics Committee, Universiti Malaysia Sarawak (UNIMAS), ref. no: UNIMAS/NC-21.02/03-02 Jld.3 ). Informed consent was obtained from all participants prior to their participation in this study.
: Participants were informed that his or her data would be used anonymously for subsequent analysis, presentation, and publication.
: The authors declare that they have no competing interests.